Generation of high-energy geometric structured beams by Off-Axis pumped Nd:YAG/Cr 4+ :YAG lasers with degenerate resonators

Pi Hui Tuan, Yen Hui Hsieh, Hsin Chih Liang, Kuan-Wei Su, Yung-Fu Chen

研究成果: Conference contribution同行評審

摘要

Off-axis pumped Nd:YAG/Cr4+:YAG lasers under degenerate cavity conditions are explored to achieve high-pulseenergy geometric modes for beam transformation. The employment of Nd:YAG crystal promises efficient passively Qswitched (PQS) operation with a flexible cavity length to ensure various PQS geometric modes with stable structures can be generated. It is experimentally confirmed that the output energy and peak power of the PQS geometric modes can easily reach up to over 100 μJ and 10 kW with fairly stable pulse trains in pure linear polarization. Various high-energy vortex beams carrying large angular momentum and diverse phase structures are achieved by converting the planar geometric modes into the circular ones to offer promising light sources for potential applications.

原文English
主出版物標題Optical Manipulation Conference
編輯Keiji Sasaki, Takashige Omatsu, Hajime Ishihara
發行者SPIE
頁數11
ISBN(電子)9781510619814
DOIs
出版狀態Published - 2018
事件Optical Manipulation Conference 2018 - Yokohama, Japan
持續時間: 25 4月 201827 4月 2018

出版系列

名字Proceedings of SPIE - The International Society for Optical Engineering
10712
ISSN(列印)0277-786X
ISSN(電子)1996-756X

Conference

ConferenceOptical Manipulation Conference 2018
國家/地區Japan
城市Yokohama
期間25/04/1827/04/18

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